Multithreaded computer system and multithread execution control method
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United States of America Patent
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Aug 16, 2011
Grant Date -
Nov 15, 2007
app pub date -
Apr 26, 2007
filing date -
Apr 27, 2006
priority date (Note) -
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Abstract
A multithreaded computer system of the present invention includes a plurality of processor elements (PEs) and a parallel processor controller which switches threads in each PE. The parallel processor controller includes a plurality of execution order registers which hold, for each processor element, an execution order of threads to be executed; a plurality of counters which count an execution time for a thread that is being executed by each processor element and generate a timeout signal when the counted time reaches a limit assigned to the thread; and a thread execution scheduler which switches the thread that is being executed to the thread to be executed by each processor element based on an execution order held in the execution order register and the timeout signal.
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